first, lawyers for george zimmerman have filed a lawsuit against nbc universal for its coverage of the february 26th, 2012 shooting death of trayvon martin in sanford, florida. it alleges defamation and intentional infliction of emotional distress. in a statement the parent company said, quote, we strongly disagree with the accusations made in the complaint. there was no intent to portray mr. zimmerman unfairly. we intend to vigorously defend our position in court. we'll be right back. tonight our guest, thomas sargent. nobel laureate in economics, and one of the most cited economists in the world. professor sargent, can you tell me what cd rates will be in two years? no. if he can't, no one can. that's why ally has a raise your rate cd. ally bank. your money needs an ally. bp has paid overthe people of bp twenty-threeitment to the gulf. billion dollars to help those affected and to cover cleanup costs. today, the beaches and gulf are open, and many areas are reporting their best tourism seasons in years. and bp's also committed to america. we support nearly 250,000 jobs and invest mor